Warranty adds a little bit to it, especially since it's accidental damage and was most likely around 200-300 itself. I'd lean closer to 1600 shipped though as long as the battery has no issues (shouldn't) and the AC comes with.

@ OP: Was this purchased from the Newegg link you posted and it has the same specs? If you customized any part of it that could up the value.
And is the warranty from ASUS itself or another location, i.e. Newegg or a reseller?

It was purchased from Newegg. The warranty is with Asus.
The laptop is in perfect condition, so there's no problems with it at all.
It's currently in the stock configuration, but I had a 96GB SSD in it.